Home / 2,005,993.40-2,767,544.39-1,318,035.78

Finding the Fourth Proportional to 2,005,993.40, 2,767,544.39 and 1,318,035.78

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Solution

The fourth proportional to 2,005,993.40, 2,767,544.39 and 1,318,035.78 is: 1,818,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,993.40 : 2,767,544.39 = 1,318,035.78 : x
  2. Step 2: Convert to fraction form
    2,005,993.40/2,767,544.39 = 1,318,035.78/x
  3. Step 3: Cross multiply
    2,005,993.40x = 2,767,544.39 × 1,318,035.78
  4. Step 4: Simplify right side
    2,005,993.40x = 3,647,722,522,168.10
  5. Step 5: Solve for x
    x = 3,647,722,522,168.10/2,005,993.40
  6. Step 6: Final answer
    x = 1,818,412.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.